Wan Qingliang Is Under Investigation for Suspected 'Violations of Discipline and Law'

SHANGHAI—China put the top Communist Party official in the southern economic powerhouse city of Guangzhou under investigation and appointed a successor, in a fresh signal that Beijing is continuing a major anticorruption drive.

Wan Qingliang, a 50-year-old who briefly served as Guangzhou's mayor before he became the city's Communist Party chief about two years ago, is under investigation for "suspected serious violations of...